The Miami Heat could be looking to shake things up as we enter the second half of the NBA season. This could mean an upgrade at the point guard position. The Heat expect to be contenders in the postseason and a point guard could certainly help that notion. . This was a priority for the Miami Heat in the offseason. They brought back Goran Dragic but could still look to make upgrades. Miami has been linked to many big-name players, both in trade rumors and free agency. This is a chance to land an impact player at the top of the offense to team up with Jimmy Butler and Bam Adebayo. . Kemba Walker could be the star heading to Miami. The Boston Celtics signed Walker to a free-agent deal last offseason and has been a strange fit for the Celtics since his arrival. Both Jayson Tatum and Jaylen Brown have been leading the Celtics in scoring this season but that is about it. . They have yet to find a way to make their teammates better and play defense at a high level. This is the reason that the Celtics have also underachieved this season. They are still in the top half of the Eastern Conference but have not looked like that championship team. This trade would certainly shake things up for both teams heading down the stretch of the season. Lets take a look at what it might look like to land Walker in Miami.